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BMA - Semester 2 - Anatomy > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

Humerus

A
  • longest bone of the upper limb

- articulates with scapula at the shoulder and with radius & ulna

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2
Q

Ulna

A
  • longer than the radius

- major forearm bone

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3
Q

Radius

A
  • head of radius articulates with the capitulum of the humerus at the elbow joint
  • major forearm bone contributing to wrist movement
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4
Q

Name the space between the radius and the ulna

A

Interosseous membrane

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5
Q

Which bony feature is the funnybone

A

Humerus - medial epicondyle

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6
Q

Bones of the hands

A
  • carpals
  • metacarpals
  • phalanages
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7
Q

Movement of the shoulder

A
  • elevation
  • depression
  • protraction
  • retraction
  • rotation
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8
Q

Movement of the elbow joint

A
  • flexion

- extension

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9
Q

Movement of the radioulnar joint

A
  • supination

- pronation

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10
Q

Movement of the wrist joint (radiocarpal)

A
  • flexion and extension

- abduction and adduction

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11
Q

Movement of the metacarpophalangel joints

A
  • flexion and extension

- abduction and adduction

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12
Q

Movement of the carpometacarpal joint of the thumb (saddle joint)

A
  • flexion and extension
  • abduction, adduction
  • circumduction
  • opposition/ reposition
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13
Q

Movement of the inter phalange joints (hinge joint)

A
  • flexion

- extension

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14
Q

Trapezius - origin

A
  • occipital bone

- cervical and thoracic vertebrae

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15
Q

Trapezius - insertion (3)

A
  • clavicle
  • acromion
  • spine of scapula
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16
Q

Actions of the trapezius

A
  • elevation and depression of shoulder
  • retraction of the shoulder
  • rotation of the shoulder
  • extension of the neck
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17
Q

Latissimus Dorsi - origin (3)

A
  • iliac crest of hipbone
  • lower thoracic vertebrae
  • all lumbar vertebrae
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18
Q

Latissimus Dorsi - insertion

A

Humerus

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19
Q

Latissimus Dorsi - action

A
  • adduction and extension of the humerus at the shoulder joint
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20
Q

Pectoralis Major - origin (3)

A
  • clavicle
  • sternum
  • upper ribs (2-6)
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21
Q

Pectoralis Major - Insertion

A
  • greater tubercle of the humerus
22
Q

Pectoralis Major - Action

A
  • adduction
  • flexion
  • medial rotation or the humerus at the shoulder joint
23
Q

Serratus Anterior - origin

A
  • ribs (1-8/9)
24
Q

Serratus Anterior - insertion

A

Entire Anterior surface of the medial border of the scapula

25
Q

Serratus Anterior - actions

A
  • protraction (drawing shoulder joint forward)

- rotates shoulder upwards

26
Q

Deltoid - origin (3)

A
  • clavicle
  • acromion
  • spine of scapula
27
Q

Deltoid - insertion

A

Deltoid tuberosity of the humerus

28
Q

Deltoid - action

A

Abduction of the humerus at the shoulder joint

29
Q

List the 4 rotator cuff muscles

A
  • supraspinatus
  • subscapularis
  • teres minor
  • infraspinatus
  • stabilise the shoulder joint
30
Q

Rotator cuff muscles - action

A
  • rotation

- abduction of the humerus at the shoulder joint

31
Q

What are the major muscles that make up the Anterior and the posterior walls of the axilla

A
  • latissimus Dorsi

- pectoralis Major

32
Q

Biceps brachii - origin (long head and short head)

A

Long head - scapula, above the Glenoid cavity

Short Head - coracoid process

33
Q

Biceps Brachii - Insertion

A

radial tuberosity

34
Q

Biceps brachii - action

A

strong flexor of the forearm

35
Q

Triceps Brachii - Origin (long head and lateral/medial heads)

A

long head - scapula, below glenoid cavity

lateral and medial heads - posterior surface of the humerus

36
Q

Tricpes Brachii - Insertion

A

olecranon process of the ulna

37
Q

Triceps Brachii - Action

A

extension of the forearm at the elbow joint

38
Q

Flexor digitorium superficialis - Action

A

flexion of the fingers

39
Q

Flexor digitorium superficialis - Origin (3)

A
  • medial epicondyle of the humerus
  • ulna
  • radius
40
Q

Flexor digitorium superficialis - Insertion

A

anterior surfaces of phalanges

41
Q

Flexor pollicis longus - Action

A

flexion of the thumb

located along the anterior compartment of the forearm

42
Q

Flexor Pollicis longus - origin

A

radius (anterior shaft)

43
Q

Flexor Pollicis Longus - Insertion

A

distal phalanx of the thumb

44
Q

Extensor digitorum - origin

A

lateral epicondyle of the humerus

45
Q

Extensor digitorum - insertion

A

posterior surfaces of the phalanges

46
Q

extensor digitorum - action

A

extends the fingers

47
Q

Extensor Pollicis Longus - action

A

extends the thumb

located along posterior compartment of the forearm

48
Q

Extensor Pollicis Longus - origin

A

ulna (posterior surface)

49
Q

Extensor Pollicis Longus - Insertion

A

distal phalanx of the thumb

50
Q

list the action of the :

  • Supra Spinatus
  • Infra Spinatus
  • Sub Scapulartus
  • teresminor
A

rotation abduct

BMA - Semester 2 - Anatomy (4 decks)

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